/*
 * Created on 15th Oct 2011 
 *
 * ####################################################################
 * Copyright (c) 2007 Tenon & Groove, LLC. All Rights Reserved.
 *
 * This software without any limitations is strictly confidential and
 * proprietary to Tenon & Groove, LLC. Any unlawful copying, disclosure
 * or use shall be vigorously prosecuted.
 * ####################################################################
 * Changes (from 19-Jun-2008)
 * ####################################################################
 * 15-Oct-2011		 Prakash Chauhan  :       Original Version.
 */ 
 
 
 function pausescroller(content, divId, divClass, delay){
 	this.content=content //message array content
 	this.tickerid=divId //ID of ticker div to display information
 	this.delay=delay //Delay between msg change, in miliseconds.
 	this.mouseoverBol=0 //Boolean to indicate whether mouse is currently over scroller (and pause it if it is)
 	this.hiddendivpointer=1 //index of message array for hidden div
 	document.write('<div id="'+divId+'" class="'+divClass+'" style="position: relative; overflow: hidden"><div class="innerDiv" style="position: absolute; width: 100%" id="'+divId+'1">'+content[0]+'</div><div class="innerDiv" style="position: absolute; width: 100%; visibility: hidden" id="'+divId+'2">'+content[1]+'</div></div>')
 	var scrollerinstance=this
 	if (window.addEventListener) //run onload in DOM2 browsers
 	window.addEventListener("load", function(){scrollerinstance.initialize()}, false)
 	else if (window.attachEvent) //run onload in IE5.5+
 	window.attachEvent("onload", function(){scrollerinstance.initialize()})
 	else if (document.getElementById) //if legacy DOM browsers, just start scroller after 0.5 sec
 	setTimeout(function(){scrollerinstance.initialize()}, 500)
 	}
 	
 	// -------------------------------------------------------------------
 	// initialize()- Initialize scroller method.
 	// -Get div objects, set initial positions, start up down animation
 	// -------------------------------------------------------------------
 	
 	pausescroller.prototype.initialize=function(){
 	this.tickerdiv=document.getElementById(this.tickerid)
 	this.visiblediv=document.getElementById(this.tickerid+"1")
 	this.hiddendiv=document.getElementById(this.tickerid+"2")
 	this.visibledivtop=parseInt(pausescroller.getCSSpadding(this.tickerdiv))
 	//set width of inner DIVs to outer DIV's width minus padding (padding assumed to be top padding x 2)
 	this.visiblediv.style.width=this.hiddendiv.style.width=this.tickerdiv.offsetWidth-(this.visibledivtop*2)+"px"
 	this.getinline(this.visiblediv, this.hiddendiv)
 	this.hiddendiv.style.visibility="visible"
 	var scrollerinstance=this
 	document.getElementById(this.tickerid).onmouseover=function(){scrollerinstance.mouseoverBol=1}
 	document.getElementById(this.tickerid).onmouseout=function(){scrollerinstance.mouseoverBol=0}
 	if (window.attachEvent) //Clean up loose references in IE
 	window.attachEvent("onunload", function(){scrollerinstance.tickerdiv.onmouseover=scrollerinstance.tickerdiv.onmouseout=null})
 	setTimeout(function(){scrollerinstance.animateup()}, this.delay)
 	}
 	
 	
 	// -------------------------------------------------------------------
 	// animateup()- Move the two inner divs of the scroller up and in sync
 	// -------------------------------------------------------------------
 	
 	pausescroller.prototype.animateup=function(){
 	var scrollerinstance=this
 	if (parseInt(this.hiddendiv.style.top)>(this.visibledivtop+5)){
 	this.visiblediv.style.top=parseInt(this.visiblediv.style.top)-5+"px"
 	this.hiddendiv.style.top=parseInt(this.hiddendiv.style.top)-5+"px"
 	setTimeout(function(){scrollerinstance.animateup()}, 50)
 	}
 	else{
 	this.getinline(this.hiddendiv, this.visiblediv)
 	this.swapdivs()
 	setTimeout(function(){scrollerinstance.setmessage()}, this.delay)
 	}
 	}
 	
 	// -------------------------------------------------------------------
 	// swapdivs()- Swap between which is the visible and which is the hidden div
 	// -------------------------------------------------------------------
 	
 	pausescroller.prototype.swapdivs=function(){
 	var tempcontainer=this.visiblediv
 	this.visiblediv=this.hiddendiv
 	this.hiddendiv=tempcontainer
 	}
 	
 	pausescroller.prototype.getinline=function(div1, div2){
 	div1.style.top=this.visibledivtop+"px"
 	div2.style.top=Math.max(div1.parentNode.offsetHeight, div1.offsetHeight)+"px"
 	}
 	
 	// -------------------------------------------------------------------
 	// setmessage()- Populate the hidden div with the next message before it's visible
 	// -------------------------------------------------------------------
 	
 	pausescroller.prototype.setmessage=function(){
 	var scrollerinstance=this
 	if (this.mouseoverBol==1) //if mouse is currently over scoller, do nothing (pause it)
 	setTimeout(function(){scrollerinstance.setmessage()}, 100)
 	else{
 	var i=this.hiddendivpointer
 	var ceiling=this.content.length
 	this.hiddendivpointer=(i+1>ceiling-1)? 0 : i+1
 	this.hiddendiv.innerHTML=this.content[this.hiddendivpointer]
 	this.animateup()
 	}
 	}
 	
 	pausescroller.getCSSpadding=function(tickerobj){ //get CSS padding value, if any
 	if (tickerobj.currentStyle)
 	return tickerobj.currentStyle["paddingTop"]
 	else if (window.getComputedStyle) //if DOM2
 	return window.getComputedStyle(tickerobj, "").getPropertyValue("padding-top")
 	else
 	return 0
	}
